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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: JTransaction.html 878 2015-04-17 01:32:03Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import com.google.common.base.Converter;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import com.google.common.base.Function;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import com.google.common.cache.CacheBuilder;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import com.google.common.cache.CacheLoader;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import com.google.common.cache.LoadingCache;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import com.google.common.collect.Iterables;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import com.google.common.collect.Maps;<a name="line.16"></a>
<span class="sourceLineNo">017</span>import com.google.common.primitives.Ints;<a name="line.17"></a>
<span class="sourceLineNo">018</span>import com.google.common.util.concurrent.UncheckedExecutionException;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.util.ArrayList;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.Arrays;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.Collection;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.Collections;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.Comparator;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.LinkedHashSet;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.Map;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.NavigableMap;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.NavigableSet;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.util.NoSuchElementException;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.Set;<a name="line.32"></a>
<span class="sourceLineNo">033</span><a name="line.33"></a>
<span class="sourceLineNo">034</span>import javax.validation.ConstraintViolation;<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.dellroad.stuff.validation.ValidationUtil;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.jsimpledb.core.CoreIndex;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.jsimpledb.core.CoreIndex2;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.jsimpledb.core.CoreIndex3;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.jsimpledb.core.CoreIndex4;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.jsimpledb.core.CreateListener;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.jsimpledb.core.DeleteListener;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.jsimpledb.core.DeletedObjectException;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.jsimpledb.core.EnumField;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.jsimpledb.core.Field;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.jsimpledb.core.FieldSwitchAdapter;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.jsimpledb.core.ListField;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.jsimpledb.core.MapField;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.jsimpledb.core.ObjId;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.jsimpledb.core.ObjType;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.jsimpledb.core.ReferenceField;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.jsimpledb.core.Schema;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.jsimpledb.core.SetField;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.jsimpledb.core.SimpleField;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.jsimpledb.core.StaleTransactionException;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.jsimpledb.core.Transaction;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.jsimpledb.core.TypeNotInSchemaVersionException;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.jsimpledb.core.UnknownFieldException;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import org.jsimpledb.core.VersionChangeListener;<a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.jsimpledb.index.Index;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.jsimpledb.index.Index2;<a name="line.61"></a>
<span class="sourceLineNo">062</span>import org.jsimpledb.index.Index3;<a name="line.62"></a>
<span class="sourceLineNo">063</span>import org.jsimpledb.index.Index4;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import org.jsimpledb.kv.KeyRanges;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import org.jsimpledb.kv.util.AbstractKVNavigableSet;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import org.jsimpledb.util.ConvertedNavigableMap;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import org.jsimpledb.util.ConvertedNavigableSet;<a name="line.67"></a>
<span class="sourceLineNo">068</span>import org.jsimpledb.util.ObjIdSet;<a name="line.68"></a>
<span class="sourceLineNo">069</span>import org.slf4j.Logger;<a name="line.69"></a>
<span class="sourceLineNo">070</span>import org.slf4j.LoggerFactory;<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>/**<a name="line.72"></a>
<span class="sourceLineNo">073</span> * A transaction associated with a {@link JSimpleDB} instance.<a name="line.73"></a>
<span class="sourceLineNo">074</span> *<a name="line.74"></a>
<span class="sourceLineNo">075</span> * &lt;p&gt;<a name="line.75"></a>
<span class="sourceLineNo">076</span> * Commonly used methods in this class can be divided into the following categories:<a name="line.76"></a>
<span class="sourceLineNo">077</span> * &lt;/p&gt;<a name="line.77"></a>
<span class="sourceLineNo">078</span> *<a name="line.78"></a>
<span class="sourceLineNo">079</span> * &lt;p&gt;<a name="line.79"></a>
<span class="sourceLineNo">080</span> * &lt;b&gt;Transaction Meta-Data&lt;/b&gt;<a name="line.80"></a>
<span class="sourceLineNo">081</span> * &lt;ul&gt;<a name="line.81"></a>
<span class="sourceLineNo">082</span> *  &lt;li&gt;{@link #getJSimpleDB getJSimpleDB()} - Get the associated {@link JSimpleDB} instance&lt;/li&gt;<a name="line.82"></a>
<span class="sourceLineNo">083</span> *  &lt;li&gt;{@link #getTransaction} - Get the core API {@link Transaction} underlying this instance&lt;/li&gt;<a name="line.83"></a>
<span class="sourceLineNo">084</span> * &lt;/ul&gt;<a name="line.84"></a>
<span class="sourceLineNo">085</span> *<a name="line.85"></a>
<span class="sourceLineNo">086</span> * &lt;p&gt;<a name="line.86"></a>
<span class="sourceLineNo">087</span> * &lt;b&gt;Transaction Lifecycle&lt;/b&gt;<a name="line.87"></a>
<span class="sourceLineNo">088</span> * &lt;ul&gt;<a name="line.88"></a>
<span class="sourceLineNo">089</span> *  &lt;li&gt;{@link #commit commit()} - Commit transaction&lt;/li&gt;<a name="line.89"></a>
<span class="sourceLineNo">090</span> *  &lt;li&gt;{@link #rollback rollback()} - Roll back transaction&lt;/li&gt;<a name="line.90"></a>
<span class="sourceLineNo">091</span> *  &lt;li&gt;{@link #getCurrent getCurrent()} - Get the {@link JTransaction} instance associated with the current thread&lt;/li&gt;<a name="line.91"></a>
<span class="sourceLineNo">092</span> *  &lt;li&gt;{@link #setCurrent setCurrent()} - Set the {@link JTransaction} instance associated with the current thread&lt;/li&gt;<a name="line.92"></a>
<span class="sourceLineNo">093</span> *  &lt;li&gt;{@link #isValid isValid()} - Test transaction validity&lt;/li&gt;<a name="line.93"></a>
<span class="sourceLineNo">094</span> * &lt;/ul&gt;<a name="line.94"></a>
<span class="sourceLineNo">095</span> *<a name="line.95"></a>
<span class="sourceLineNo">096</span> * &lt;p&gt;<a name="line.96"></a>
<span class="sourceLineNo">097</span> * &lt;b&gt;Object Access&lt;/b&gt;<a name="line.97"></a>
<span class="sourceLineNo">098</span> * &lt;ul&gt;<a name="line.98"></a>
<span class="sourceLineNo">099</span> *  &lt;li&gt;{@link #getJObject(ObjId) getJObject()} - Get the Java model object corresponding to a specific database object ID&lt;/li&gt;<a name="line.99"></a>
<span class="sourceLineNo">100</span> *  &lt;li&gt;{@link #create(Class) create()} - Create a new database object&lt;/li&gt;<a name="line.100"></a>
<span class="sourceLineNo">101</span> *  &lt;li&gt;{@link #getAll getAll()} - Get all database objects that are instances of a given Java type&lt;/li&gt;<a name="line.101"></a>
<span class="sourceLineNo">102</span> *  &lt;li&gt;{@link #queryVersion queryVersion()} - Get database objects grouped according to their schema versions&lt;/li&gt;<a name="line.102"></a>
<span class="sourceLineNo">103</span> * &lt;/ul&gt;<a name="line.103"></a>
<span class="sourceLineNo">104</span> *<a name="line.104"></a>
<span class="sourceLineNo">105</span> * &lt;p&gt;<a name="line.105"></a>
<span class="sourceLineNo">106</span> * &lt;b&gt;Validation&lt;/b&gt;<a name="line.106"></a>
<span class="sourceLineNo">107</span> * &lt;ul&gt;<a name="line.107"></a>
<span class="sourceLineNo">108</span> *  &lt;li&gt;{@link #validate validate()} - Validate all objects in the validation queue&lt;/li&gt;<a name="line.108"></a>
<span class="sourceLineNo">109</span> *  &lt;li&gt;{@link #resetValidationQueue} - Clear the validation queue&lt;/li&gt;<a name="line.109"></a>
<span class="sourceLineNo">110</span> * &lt;/ul&gt;<a name="line.110"></a>
<span class="sourceLineNo">111</span> *<a name="line.111"></a>
<span class="sourceLineNo">112</span> * &lt;p&gt;<a name="line.112"></a>
<span class="sourceLineNo">113</span> * &lt;b&gt;Index Queries&lt;/b&gt;<a name="line.113"></a>
<span class="sourceLineNo">114</span> * &lt;ul&gt;<a name="line.114"></a>
<span class="sourceLineNo">115</span> *  &lt;li&gt;{@link #queryIndex(Class, String, Class) queryIndex()}<a name="line.115"></a>
<span class="sourceLineNo">116</span> *      - Access the index associated with a simple field&lt;/li&gt;<a name="line.116"></a>
<span class="sourceLineNo">117</span> *  &lt;li&gt;{@link #queryListElementIndex queryListElementIndex()}<a name="line.117"></a>
<span class="sourceLineNo">118</span> *      - Access the composite index associated with a list field that includes corresponding list indicies&lt;/li&gt;<a name="line.118"></a>
<span class="sourceLineNo">119</span> *  &lt;li&gt;{@link #queryMapValueIndex queryMapValueIndex()}<a name="line.119"></a>
<span class="sourceLineNo">120</span> *      - Access the composite index associated with a map value field that includes corresponding map keys&lt;/li&gt;<a name="line.120"></a>
<span class="sourceLineNo">121</span> *  &lt;li&gt;{@link #queryCompositeIndex(Class, String, Class, Class) queryCompositeIndex()}<a name="line.121"></a>
<span class="sourceLineNo">122</span> *      - Access a composite index defined on two fields&lt;/li&gt;<a name="line.122"></a>
<span class="sourceLineNo">123</span> *  &lt;li&gt;{@link #queryCompositeIndex(Class, String, Class, Class, Class) queryCompositeIndex()}<a name="line.123"></a>
<span class="sourceLineNo">124</span> *      - Access a composite index defined on three fields&lt;/li&gt;<a name="line.124"></a>
<span class="sourceLineNo">125</span> *  &lt;li&gt;{@link #queryCompositeIndex(Class, String, Class, Class, Class, Class) queryCompositeIndex()}<a name="line.125"></a>
<span class="sourceLineNo">126</span> *      - Access a composite index defined on four fields&lt;/li&gt;<a name="line.126"></a>
<span class="sourceLineNo">127</span> *  &lt;!-- COMPOSITE-INDEX --&gt;<a name="line.127"></a>
<span class="sourceLineNo">128</span> * &lt;/ul&gt;<a name="line.128"></a>
<span class="sourceLineNo">129</span> *<a name="line.129"></a>
<span class="sourceLineNo">130</span> * &lt;p&gt;<a name="line.130"></a>
<span class="sourceLineNo">131</span> * &lt;b&gt;Reference Inversion&lt;/b&gt;<a name="line.131"></a>
<span class="sourceLineNo">132</span> * &lt;ul&gt;<a name="line.132"></a>
<span class="sourceLineNo">133</span> *  &lt;li&gt;{@link #invertReferencePath invertReferencePath()} - Find all objects that refer to any element in a given set<a name="line.133"></a>
<span class="sourceLineNo">134</span> *      of objects through a specified reference path&lt;/li&gt;<a name="line.134"></a>
<span class="sourceLineNo">135</span> * &lt;/ul&gt;<a name="line.135"></a>
<span class="sourceLineNo">136</span> *<a name="line.136"></a>
<span class="sourceLineNo">137</span> * &lt;p&gt;<a name="line.137"></a>
<span class="sourceLineNo">138</span> * &lt;b&gt;Snapshot Transactions&lt;/b&gt;<a name="line.138"></a>
<span class="sourceLineNo">139</span> * &lt;ul&gt;<a name="line.139"></a>
<span class="sourceLineNo">140</span> *  &lt;li&gt;{@link #getSnapshotTransaction getSnapshotTransaction()} - Get the default in-memory transaction<a name="line.140"></a>
<span class="sourceLineNo">141</span> *      associated with this transaction&lt;/li&gt;<a name="line.141"></a>
<span class="sourceLineNo">142</span> *  &lt;li&gt;{@link #copyTo(JTransaction, JObject, ObjId, CopyState, String[]) copyTo()}<a name="line.142"></a>
<span class="sourceLineNo">143</span> *      - Copy an object into another transaction&lt;/li&gt;<a name="line.143"></a>
<span class="sourceLineNo">144</span> *  &lt;li&gt;{@link #copyTo(JTransaction, CopyState, Iterable) copyTo()}<a name="line.144"></a>
<span class="sourceLineNo">145</span> *      - Copy explicitly specified objects into another transaction&lt;/li&gt;<a name="line.145"></a>
<span class="sourceLineNo">146</span> * &lt;/ul&gt;<a name="line.146"></a>
<span class="sourceLineNo">147</span> *<a name="line.147"></a>
<span class="sourceLineNo">148</span> * &lt;p&gt;<a name="line.148"></a>
<span class="sourceLineNo">149</span> * &lt;b&gt;Lower Layer Access&lt;/b&gt;<a name="line.149"></a>
<span class="sourceLineNo">150</span> * &lt;ul&gt;<a name="line.150"></a>
<span class="sourceLineNo">151</span> *  &lt;li&gt;{@link #getKey(JObject) getKey()} - Get the {@link org.jsimpledb.kv.KVDatabase} key prefix for a specific object&lt;/li&gt;<a name="line.151"></a>
<span class="sourceLineNo">152</span> *  &lt;li&gt;{@link #getKey(JObject, String) getKey()} - Get the {@link org.jsimpledb.kv.KVDatabase}<a name="line.152"></a>
<span class="sourceLineNo">153</span> *      key for a specific field in a specific object&lt;/li&gt;<a name="line.153"></a>
<span class="sourceLineNo">154</span> * &lt;/ul&gt;<a name="line.154"></a>
<span class="sourceLineNo">155</span> *<a name="line.155"></a>
<span class="sourceLineNo">156</span> * &lt;p&gt;<a name="line.156"></a>
<span class="sourceLineNo">157</span> * The remaining methods in this class are normally only used by generated Java model object subclasses.<a name="line.157"></a>
<span class="sourceLineNo">158</span> * Instead of using these methods directly, using the appropriately annotated Java model object method<a name="line.158"></a>
<span class="sourceLineNo">159</span> * or {@link JObject} interface method is recommended.<a name="line.159"></a>
<span class="sourceLineNo">160</span> * &lt;/p&gt;<a name="line.160"></a>
<span class="sourceLineNo">161</span> *<a name="line.161"></a>
<span class="sourceLineNo">162</span> * &lt;p&gt;<a name="line.162"></a>
<span class="sourceLineNo">163</span> * &lt;b&gt;Java Model Object Methods&lt;/b&gt;<a name="line.163"></a>
<span class="sourceLineNo">164</span> * &lt;ul&gt;<a name="line.164"></a>
<span class="sourceLineNo">165</span> *  &lt;li&gt;{@link #readSimpleField readSimpleField()} - Read the value of a simple field&lt;/li&gt;<a name="line.165"></a>
<span class="sourceLineNo">166</span> *  &lt;li&gt;{@link #writeSimpleField writeSimpleField()} - Write the value of a simple field&lt;/li&gt;<a name="line.166"></a>
<span class="sourceLineNo">167</span> *  &lt;li&gt;{@link #readCounterField readCounterField()} - Access a {@link Counter} field&lt;/li&gt;<a name="line.167"></a>
<span class="sourceLineNo">168</span> *  &lt;li&gt;{@link #readSetField readSetField()} - Access a set field&lt;/li&gt;<a name="line.168"></a>
<span class="sourceLineNo">169</span> *  &lt;li&gt;{@link #readListField readListField()} - Access a list field&lt;/li&gt;<a name="line.169"></a>
<span class="sourceLineNo">170</span> *  &lt;li&gt;{@link #readMapField readMapField()} - Access a map field&lt;/li&gt;<a name="line.170"></a>
<span class="sourceLineNo">171</span> * &lt;/ul&gt;<a name="line.171"></a>
<span class="sourceLineNo">172</span> *<a name="line.172"></a>
<span class="sourceLineNo">173</span> * &lt;p&gt;<a name="line.173"></a>
<span class="sourceLineNo">174</span> * &lt;b&gt;{@link JObject} Methods&lt;/b&gt;<a name="line.174"></a>
<span class="sourceLineNo">175</span> * &lt;ul&gt;<a name="line.175"></a>
<span class="sourceLineNo">176</span> *  &lt;li&gt;{@link #delete delete()} - Delete an object from this transaction&lt;/li&gt;<a name="line.176"></a>
<span class="sourceLineNo">177</span> *  &lt;li&gt;{@link #exists exists()} - Test whether an object exists in this transaction&lt;/li&gt;<a name="line.177"></a>
<span class="sourceLineNo">178</span> *  &lt;li&gt;{@link #recreate recreate()} - Recreate an object in this transaction&lt;/li&gt;<a name="line.178"></a>
<span class="sourceLineNo">179</span> *  &lt;li&gt;{@link #revalidate revalidate()} - Add an object to the validation queue&lt;/li&gt;<a name="line.179"></a>
<span class="sourceLineNo">180</span> *  &lt;li&gt;{@link #getSchemaVersion getSchemaVersion()} - Get this schema version of an object&lt;/li&gt;<a name="line.180"></a>
<span class="sourceLineNo">181</span> *  &lt;li&gt;{@link #updateSchemaVersion updateSchemaVersion()} - Update an object's schema version&lt;/li&gt;<a name="line.181"></a>
<span class="sourceLineNo">182</span> * &lt;/ul&gt;<a name="line.182"></a>
<span class="sourceLineNo">183</span> */<a name="line.183"></a>
<span class="sourceLineNo">184</span>public class JTransaction {<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span>    private static final ThreadLocal&lt;JTransaction&gt; CURRENT = new ThreadLocal&lt;&gt;();<a name="line.186"></a>
<span class="sourceLineNo">187</span>    private static final int MAX_UNIQUE_CONFLICTORS = 5;<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span>    final Logger log = LoggerFactory.getLogger(this.getClass());<a name="line.189"></a>
<span class="sourceLineNo">190</span><a name="line.190"></a>
<span class="sourceLineNo">191</span>    final JSimpleDB jdb;<a name="line.191"></a>
<span class="sourceLineNo">192</span>    final Transaction tx;<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span>    private final ValidationMode validationMode;<a name="line.194"></a>
<span class="sourceLineNo">195</span>    private final ValidationListener validationListener = new ValidationListener();<a name="line.195"></a>
<span class="sourceLineNo">196</span>    private final InternalCreateListener internalCreateListener = new InternalCreateListener();<a name="line.196"></a>
<span class="sourceLineNo">197</span>    private final InternalDeleteListener internalDeleteListener = new InternalDeleteListener();<a name="line.197"></a>
<span class="sourceLineNo">198</span>    private final InternalVersionChangeListener internalVersionChangeListener = new InternalVersionChangeListener();<a name="line.198"></a>
<span class="sourceLineNo">199</span>    private final ObjIdSet validationQueue = new ObjIdSet();<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span>    private final LoadingCache&lt;IndexInfoKey, IndexInfo&gt; indexInfoCache = CacheBuilder.newBuilder()<a name="line.201"></a>
<span class="sourceLineNo">202</span>      .maximumSize(1000).build(new CacheLoader&lt;IndexInfoKey, IndexInfo&gt;() {<a name="line.202"></a>
<span class="sourceLineNo">203</span>        @Override<a name="line.203"></a>
<span class="sourceLineNo">204</span>        public IndexInfo load(IndexInfoKey key) {<a name="line.204"></a>
<span class="sourceLineNo">205</span>            return key.getIndexInfo(JTransaction.this.jdb);<a name="line.205"></a>
<span class="sourceLineNo">206</span>        }<a name="line.206"></a>
<span class="sourceLineNo">207</span>    });<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span>    private SnapshotJTransaction snapshotTransaction;<a name="line.209"></a>
<span class="sourceLineNo">210</span>    private boolean commitInvoked;<a name="line.210"></a>
<span class="sourceLineNo">211</span><a name="line.211"></a>
<span class="sourceLineNo">212</span>// Constructor<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span>    /**<a name="line.214"></a>
<span class="sourceLineNo">215</span>     * Constructor.<a name="line.215"></a>
<span class="sourceLineNo">216</span>     *<a name="line.216"></a>
<span class="sourceLineNo">217</span>     * @throws IllegalArgumentException if any parameter is null<a name="line.217"></a>
<span class="sourceLineNo">218</span>     */<a name="line.218"></a>
<span class="sourceLineNo">219</span>    JTransaction(JSimpleDB jdb, Transaction tx, ValidationMode validationMode) {<a name="line.219"></a>
<span class="sourceLineNo">220</span><a name="line.220"></a>
<span class="sourceLineNo">221</span>        // Initialization<a name="line.221"></a>
<span class="sourceLineNo">222</span>        if (jdb == null)<a name="line.222"></a>
<span class="sourceLineNo">223</span>            throw new IllegalArgumentException("null jdb");<a name="line.223"></a>
<span class="sourceLineNo">224</span>        if (tx == null)<a name="line.224"></a>
<span class="sourceLineNo">225</span>            throw new IllegalArgumentException("null tx");<a name="line.225"></a>
<span class="sourceLineNo">226</span>        if (validationMode == null)<a name="line.226"></a>
<span class="sourceLineNo">227</span>            throw new IllegalArgumentException("null validationMode");<a name="line.227"></a>
<span class="sourceLineNo">228</span>        this.jdb = jdb;<a name="line.228"></a>
<span class="sourceLineNo">229</span>        this.tx = tx;<a name="line.229"></a>
<span class="sourceLineNo">230</span>        this.validationMode = validationMode;<a name="line.230"></a>
<span class="sourceLineNo">231</span><a name="line.231"></a>
<span class="sourceLineNo">232</span>        // Register listeners for @OnCreate and validation on creation<a name="line.232"></a>
<span class="sourceLineNo">233</span>        if (this.jdb.hasOnCreateMethods<a name="line.233"></a>
<span class="sourceLineNo">234</span>          || (validationMode == ValidationMode.AUTOMATIC &amp;&amp; this.jdb.anyJClassRequiresValidation))<a name="line.234"></a>
<span class="sourceLineNo">235</span>            this.tx.addCreateListener(this.internalCreateListener);<a name="line.235"></a>
<span class="sourceLineNo">236</span><a name="line.236"></a>
<span class="sourceLineNo">237</span>        // Register listeners for @OnDelete<a name="line.237"></a>
<span class="sourceLineNo">238</span>        if (this.jdb.hasOnDeleteMethods)<a name="line.238"></a>
<span class="sourceLineNo">239</span>            this.tx.addDeleteListener(this.internalDeleteListener);<a name="line.239"></a>
<span class="sourceLineNo">240</span><a name="line.240"></a>
<span class="sourceLineNo">241</span>        // Register listeners for @OnChange<a name="line.241"></a>
<span class="sourceLineNo">242</span>        for (JClass&lt;?&gt; jclass : this.jdb.jclasses.values()) {<a name="line.242"></a>
<span class="sourceLineNo">243</span>            for (OnChangeScanner&lt;?&gt;.MethodInfo info : jclass.onChangeMethods) {<a name="line.243"></a>
<span class="sourceLineNo">244</span>                if (this instanceof SnapshotJTransaction &amp;&amp; !info.getAnnotation().snapshotTransactions())<a name="line.244"></a>
<span class="sourceLineNo">245</span>                    continue;<a name="line.245"></a>
<span class="sourceLineNo">246</span>                final OnChangeScanner&lt;?&gt;.ChangeMethodInfo changeInfo = (OnChangeScanner&lt;?&gt;.ChangeMethodInfo)info;<a name="line.246"></a>
<span class="sourceLineNo">247</span>                changeInfo.registerChangeListener(this);<a name="line.247"></a>
<span class="sourceLineNo">248</span>            }<a name="line.248"></a>
<span class="sourceLineNo">249</span>        }<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span>        // Register field change listeners to trigger validation of corresponding JSR 303 and uniqueness constraints<a name="line.251"></a>
<span class="sourceLineNo">252</span>        if (validationMode == ValidationMode.AUTOMATIC) {<a name="line.252"></a>
<span class="sourceLineNo">253</span>            for (JFieldInfo jfieldInfo : this.jdb.jfieldInfos.values()) {<a name="line.253"></a>
<span class="sourceLineNo">254</span>                if (jfieldInfo.isRequiresValidation())<a name="line.254"></a>
<span class="sourceLineNo">255</span>                    jfieldInfo.registerChangeListener(this.tx, new int[0], null, this.validationListener);<a name="line.255"></a>
<span class="sourceLineNo">256</span>            }<a name="line.256"></a>
<span class="sourceLineNo">257</span>        }<a name="line.257"></a>
<span class="sourceLineNo">258</span><a name="line.258"></a>
<span class="sourceLineNo">259</span>        // Register listeners for @OnVersionChange and validation on upgrade<a name="line.259"></a>
<span class="sourceLineNo">260</span>        if (this.jdb.hasOnVersionChangeMethods<a name="line.260"></a>
<span class="sourceLineNo">261</span>          || (validationMode == ValidationMode.AUTOMATIC &amp;&amp; this.jdb.anyJClassRequiresValidation))<a name="line.261"></a>
<span class="sourceLineNo">262</span>            this.tx.addVersionChangeListener(this.internalVersionChangeListener);<a name="line.262"></a>
<span class="sourceLineNo">263</span>    }<a name="line.263"></a>
<span class="sourceLineNo">264</span><a name="line.264"></a>
<span class="sourceLineNo">265</span>// Thread-local Access<a name="line.265"></a>
<span class="sourceLineNo">266</span><a name="line.266"></a>
<span class="sourceLineNo">267</span>    /**<a name="line.267"></a>
<span class="sourceLineNo">268</span>     * Get the {@link JTransaction} associated with the current thread, if any, otherwise throw an exception.<a name="line.268"></a>
<span class="sourceLineNo">269</span>     *<a name="line.269"></a>
<span class="sourceLineNo">270</span>     * @return instance previously associated with the current thread via {@link #setCurrent setCurrent()}<a name="line.270"></a>
<span class="sourceLineNo">271</span>     * @throws IllegalStateException if there is no such instance<a name="line.271"></a>
<span class="sourceLineNo">272</span>     */<a name="line.272"></a>
<span class="sourceLineNo">273</span>    public static JTransaction getCurrent() {<a name="line.273"></a>
<span class="sourceLineNo">274</span>        final JTransaction jtx = CURRENT.get();<a name="line.274"></a>
<span class="sourceLineNo">275</span>        if (jtx == null) {<a name="line.275"></a>
<span class="sourceLineNo">276</span>            throw new IllegalStateException("there is no " + JTransaction.class.getSimpleName()<a name="line.276"></a>
<span class="sourceLineNo">277</span>              + " associated with the current thread");<a name="line.277"></a>
<span class="sourceLineNo">278</span>        }<a name="line.278"></a>
<span class="sourceLineNo">279</span>        return jtx;<a name="line.279"></a>
<span class="sourceLineNo">280</span>    }<a name="line.280"></a>
<span class="sourceLineNo">281</span><a name="line.281"></a>
<span class="sourceLineNo">282</span>    /**<a name="line.282"></a>
<span class="sourceLineNo">283</span>     * Set the {@link JTransaction} associated with the current thread.<a name="line.283"></a>
<span class="sourceLineNo">284</span>     *<a name="line.284"></a>
<span class="sourceLineNo">285</span>     * @param jtx transaction to associate with the current thread<a name="line.285"></a>
<span class="sourceLineNo">286</span>     */<a name="line.286"></a>
<span class="sourceLineNo">287</span>    public static void setCurrent(JTransaction jtx) {<a name="line.287"></a>
<span class="sourceLineNo">288</span>        CURRENT.set(jtx);<a name="line.288"></a>
<span class="sourceLineNo">289</span>    }<a name="line.289"></a>
<span class="sourceLineNo">290</span><a name="line.290"></a>
<span class="sourceLineNo">291</span>// Accessors<a name="line.291"></a>
<span class="sourceLineNo">292</span><a name="line.292"></a>
<span class="sourceLineNo">293</span>    /**<a name="line.293"></a>
<span class="sourceLineNo">294</span>     * Get the {@link JSimpleDB} associated with this instance.<a name="line.294"></a>
<span class="sourceLineNo">295</span>     *<a name="line.295"></a>
<span class="sourceLineNo">296</span>     * @return the associated database<a name="line.296"></a>
<span class="sourceLineNo">297</span>     */<a name="line.297"></a>
<span class="sourceLineNo">298</span>    public JSimpleDB getJSimpleDB() {<a name="line.298"></a>
<span class="sourceLineNo">299</span>        return this.jdb;<a name="line.299"></a>
<span class="sourceLineNo">300</span>    }<a name="line.300"></a>
<span class="sourceLineNo">301</span><a name="line.301"></a>
<span class="sourceLineNo">302</span>    /**<a name="line.302"></a>
<span class="sourceLineNo">303</span>     * Get the {@link Transaction} associated with this instance.<a name="line.303"></a>
<span class="sourceLineNo">304</span>     *<a name="line.304"></a>
<span class="sourceLineNo">305</span>     * @return the associated core API transaction<a name="line.305"></a>
<span class="sourceLineNo">306</span>     */<a name="line.306"></a>
<span class="sourceLineNo">307</span>    public Transaction getTransaction() {<a name="line.307"></a>
<span class="sourceLineNo">308</span>        return this.tx;<a name="line.308"></a>
<span class="sourceLineNo">309</span>    }<a name="line.309"></a>
<span class="sourceLineNo">310</span><a name="line.310"></a>
<span class="sourceLineNo">311</span>    /**<a name="line.311"></a>
<span class="sourceLineNo">312</span>     * Get the {@link ValidationMode} configured for this instance.<a name="line.312"></a>
<span class="sourceLineNo">313</span>     *<a name="line.313"></a>
<span class="sourceLineNo">314</span>     * @return the configured validation mode<a name="line.314"></a>
<span class="sourceLineNo">315</span>     */<a name="line.315"></a>
<span class="sourceLineNo">316</span>    public ValidationMode getValidationMode() {<a name="line.316"></a>
<span class="sourceLineNo">317</span>        return this.validationMode;<a name="line.317"></a>
<span class="sourceLineNo">318</span>    }<a name="line.318"></a>
<span class="sourceLineNo">319</span><a name="line.319"></a>
<span class="sourceLineNo">320</span>    /**<a name="line.320"></a>
<span class="sourceLineNo">321</span>     * Get all instances of the given type.<a name="line.321"></a>
<span class="sourceLineNo">322</span>     *<a name="line.322"></a>
<span class="sourceLineNo">323</span>     * @param type any Java type; use {@link Object Object.class} to return all database objects<a name="line.323"></a>
<span class="sourceLineNo">324</span>     * @param &lt;T&gt; containing Java type<a name="line.324"></a>
<span class="sourceLineNo">325</span>     * @return read-only view of all instances of {@code type}<a name="line.325"></a>
<span class="sourceLineNo">326</span>     * @throws IllegalArgumentException if {@code type} is null<a name="line.326"></a>
<span class="sourceLineNo">327</span>     * @throws StaleTransactionException if this transaction is no longer usable<a name="line.327"></a>
<span class="sourceLineNo">328</span>     */<a name="line.328"></a>
<span class="sourceLineNo">329</span>    @SuppressWarnings("unchecked")<a name="line.329"></a>
<span class="sourceLineNo">330</span>    public &lt;T&gt; NavigableSet&lt;T&gt; getAll(Class&lt;T&gt; type) {<a name="line.330"></a>
<span class="sourceLineNo">331</span>        if (type == null)<a name="line.331"></a>
<span class="sourceLineNo">332</span>            throw new IllegalArgumentException("null type");<a name="line.332"></a>
<span class="sourceLineNo">333</span>        NavigableSet&lt;ObjId&gt; ids = this.tx.getAll();<a name="line.333"></a>
<span class="sourceLineNo">334</span>        final KeyRanges keyRanges = this.jdb.keyRangesFor(type);<a name="line.334"></a>
<span class="sourceLineNo">335</span>        if (!keyRanges.isFull())<a name="line.335"></a>
<span class="sourceLineNo">336</span>            ids = ((AbstractKVNavigableSet&lt;ObjId&gt;)ids).filterKeys(keyRanges);<a name="line.336"></a>
<span class="sourceLineNo">337</span>        return new ConvertedNavigableSet&lt;T, ObjId&gt;(ids, new ReferenceConverter&lt;T&gt;(this, type));<a name="line.337"></a>
<span class="sourceLineNo">338</span>    }<a name="line.338"></a>
<span class="sourceLineNo">339</span><a name="line.339"></a>
<span class="sourceLineNo">340</span>    /**<a name="line.340"></a>
<span class="sourceLineNo">341</span>     * Get all instances of the given type, grouped according to schema version.<a name="line.341"></a>
<span class="sourceLineNo">342</span>     *<a name="line.342"></a>
<span class="sourceLineNo">343</span>     * @param type any Java type; use {@link Object Object.class} to return all database objects<a name="line.343"></a>
<span class="sourceLineNo">344</span>     * @param &lt;T&gt; containing Java type<a name="line.344"></a>
<span class="sourceLineNo">345</span>     * @return mapping from schema version to objects having that version<a name="line.345"></a>
<span class="sourceLineNo">346</span>     * @throws IllegalArgumentException if {@code type} is null<a name="line.346"></a>
<span class="sourceLineNo">347</span>     * @throws StaleTransactionException if this transaction is no longer usable<a name="line.347"></a>
<span class="sourceLineNo">348</span>     */<a name="line.348"></a>
<span class="sourceLineNo">349</span>    public &lt;T&gt; NavigableMap&lt;Integer, NavigableSet&lt;T&gt;&gt; queryVersion(Class&lt;T&gt; type) {<a name="line.349"></a>
<span class="sourceLineNo">350</span>        if (type == null)<a name="line.350"></a>
<span class="sourceLineNo">351</span>            throw new IllegalArgumentException("null type");<a name="line.351"></a>
<span class="sourceLineNo">352</span>        CoreIndex&lt;Integer, ObjId&gt; index = this.tx.queryVersion();<a name="line.352"></a>
<span class="sourceLineNo">353</span>        final KeyRanges keyRanges = this.jdb.keyRangesFor(type);<a name="line.353"></a>
<span class="sourceLineNo">354</span>        if (!keyRanges.isFull())<a name="line.354"></a>
<span class="sourceLineNo">355</span>            index = index.filter(1, keyRanges);<a name="line.355"></a>
<span class="sourceLineNo">356</span>        return new ConvertedNavigableMap&lt;Integer, NavigableSet&lt;T&gt;, Integer, NavigableSet&lt;ObjId&gt;&gt;(index.asMap(),<a name="line.356"></a>
<span class="sourceLineNo">357</span>          Converter.&lt;Integer&gt;identity(), new NavigableSetConverter&lt;T, ObjId&gt;(new ReferenceConverter&lt;T&gt;(this, type)));<a name="line.357"></a>
<span class="sourceLineNo">358</span>    }<a name="line.358"></a>
<span class="sourceLineNo">359</span><a name="line.359"></a>
<span class="sourceLineNo">360</span>    /**<a name="line.360"></a>
<span class="sourceLineNo">361</span>     * Get the {@code byte[]} key in the underlying key/value store corresponding to the specified object.<a name="line.361"></a>
<span class="sourceLineNo">362</span>     *<a name="line.362"></a>
<span class="sourceLineNo">363</span>     * &lt;p&gt;<a name="line.363"></a>
<span class="sourceLineNo">364</span>     * Notes:<a name="line.364"></a>
<span class="sourceLineNo">365</span>     * &lt;ul&gt;<a name="line.365"></a>
<span class="sourceLineNo">366</span>     *  &lt;li&gt;Objects utilize mutiple keys; the return value is the common prefix of all such keys.&lt;/li&gt;<a name="line.366"></a>
<span class="sourceLineNo">367</span>     *  &lt;li&gt;The {@link org.jsimpledb.kv.KVDatabase} should not be modified directly, otherwise behavior is undefined&lt;/li&gt;<a name="line.367"></a>
<span class="sourceLineNo">368</span>     * &lt;/ul&gt;<a name="line.368"></a>
<span class="sourceLineNo">369</span>     *<a name="line.369"></a>
<span class="sourceLineNo">370</span>     * @param jobj Java model object<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * @return the {@link org.jsimpledb.kv.KVDatabase} key corresponding to {@code jobj}<a name="line.371"></a>
<span class="sourceLineNo">372</span>     * @throws IllegalArgumentException if {@code jobj} is null<a name="line.372"></a>
<span class="sourceLineNo">373</span>     */<a name="line.373"></a>
<span class="sourceLineNo">374</span>    public byte[] getKey(JObject jobj) {<a name="line.374"></a>
<span class="sourceLineNo">375</span>        if (jobj == null)<a name="line.375"></a>
<span class="sourceLineNo">376</span>            throw new IllegalArgumentException("null jobj");<a name="line.376"></a>
<span class="sourceLineNo">377</span>        return this.tx.getKey(jobj.getObjId());<a name="line.377"></a>
<span class="sourceLineNo">378</span>    }<a name="line.378"></a>
<span class="sourceLineNo">379</span><a name="line.379"></a>
<span class="sourceLineNo">380</span>    /**<a name="line.380"></a>
<span class="sourceLineNo">381</span>     * Get the {@code byte[]} key in the underlying key/value store corresponding to the specified field in the specified object.<a name="line.381"></a>
<span class="sourceLineNo">382</span>     *<a name="line.382"></a>
<span class="sourceLineNo">383</span>     * &lt;p&gt;<a name="line.383"></a>
<span class="sourceLineNo">384</span>     * Notes:<a name="line.384"></a>
<span class="sourceLineNo">385</span>     * &lt;ul&gt;<a name="line.385"></a>
<span class="sourceLineNo">386</span>     *  &lt;li&gt;Complex fields utilize mutiple keys; the return value is the common prefix of all such keys.&lt;/li&gt;<a name="line.386"></a>
<span class="sourceLineNo">387</span>     *  &lt;li&gt;The {@link org.jsimpledb.kv.KVDatabase} should not be modified directly, otherwise behavior is undefined&lt;/li&gt;<a name="line.387"></a>
<span class="sourceLineNo">388</span>     * &lt;/ul&gt;<a name="line.388"></a>
<span class="sourceLineNo">389</span>     *<a name="line.389"></a>
<span class="sourceLineNo">390</span>     * @param jobj Java model object<a name="line.390"></a>
<span class="sourceLineNo">391</span>     * @param fieldName the name of a field in {@code jobj}'s type<a name="line.391"></a>
<span class="sourceLineNo">392</span>     * @return the {@link org.jsimpledb.kv.KVDatabase} key of the field in the specified object<a name="line.392"></a>
<span class="sourceLineNo">393</span>     * @throws TypeNotInSchemaVersionException if the current schema version does not contain the object's type<a name="line.393"></a>
<span class="sourceLineNo">394</span>     * @throws IllegalArgumentException if {@code jobj} does not contain the specified field<a name="line.394"></a>
<span class="sourceLineNo">395</span>     * @throws IllegalArgumentException if {@code fieldName} is otherwise invalid<a name="line.395"></a>
<span class="sourceLineNo">396</span>     * @throws IllegalArgumentException if either parameter is null<a name="line.396"></a>
<span class="sourceLineNo">397</span>     */<a name="line.397"></a>
<span class="sourceLineNo">398</span>    public byte[] getKey(JObject jobj, String fieldName) {<a name="line.398"></a>
<span class="sourceLineNo">399</span>        if (jobj == null)<a name="line.399"></a>
<span class="sourceLineNo">400</span>            throw new IllegalArgumentException("null jobj");<a name="line.400"></a>
<span class="sourceLineNo">401</span>        final Class&lt;?&gt; type = this.jdb.getJClass(jobj.getObjId()).type;<a name="line.401"></a>
<span class="sourceLineNo">402</span>        final ReferencePath refPath = this.jdb.parseReferencePath(type, fieldName, false);<a name="line.402"></a>
<span class="sourceLineNo">403</span>        if (refPath.getReferenceFields().length &gt; 0)<a name="line.403"></a>
<span class="sourceLineNo">404</span>            throw new IllegalArgumentException("invalid field name `" + fieldName + "'");<a name="line.404"></a>
<span class="sourceLineNo">405</span>        if (!refPath.targetType.isInstance(jobj))<a name="line.405"></a>
<span class="sourceLineNo">406</span>            throw new IllegalArgumentException("jobj is not an instance of " + refPath.targetType); // should never happen<a name="line.406"></a>
<span class="sourceLineNo">407</span>        return this.tx.getKey(jobj.getObjId(), refPath.targetFieldInfo.storageId);<a name="line.407"></a>
<span class="sourceLineNo">408</span>    }<a name="line.408"></a>
<span class="sourceLineNo">409</span><a name="line.409"></a>
<span class="sourceLineNo">410</span>// Snapshots<a name="line.410"></a>
<span class="sourceLineNo">411</span><a name="line.411"></a>
<span class="sourceLineNo">412</span>    /**<a name="line.412"></a>
<span class="sourceLineNo">413</span>     * Get the default {@link SnapshotJTransaction} associated with this instance.<a name="line.413"></a>
<span class="sourceLineNo">414</span>     *<a name="line.414"></a>
<span class="sourceLineNo">415</span>     * &lt;p&gt;<a name="line.415"></a>
<span class="sourceLineNo">416</span>     * The default {@link SnapshotJTransaction} uses {@link ValidationMode#MANUAL}.<a name="line.416"></a>
<span class="sourceLineNo">417</span>     * &lt;/p&gt;<a name="line.417"></a>
<span class="sourceLineNo">418</span>     *<a name="line.418"></a>
<span class="sourceLineNo">419</span>     * @return the associated snapshot transaction<a name="line.419"></a>
<span class="sourceLineNo">420</span>     * @see JObject#copyOut JObject.copyOut()<a name="line.420"></a>
<span class="sourceLineNo">421</span>     */<a name="line.421"></a>
<span class="sourceLineNo">422</span>    public synchronized SnapshotJTransaction getSnapshotTransaction() {<a name="line.422"></a>
<span class="sourceLineNo">423</span>        if (this.snapshotTransaction == null)<a name="line.423"></a>
<span class="sourceLineNo">424</span>            this.snapshotTransaction = new SnapshotJTransaction(this, ValidationMode.MANUAL);<a name="line.424"></a>
<span class="sourceLineNo">425</span>        return this.snapshotTransaction;<a name="line.425"></a>
<span class="sourceLineNo">426</span>    }<a name="line.426"></a>
<span class="sourceLineNo">427</span><a name="line.427"></a>
<span class="sourceLineNo">428</span>    /**<a name="line.428"></a>
<span class="sourceLineNo">429</span>     * Copy the specified object into the specified destination transaction. If the target object already exists, it's<a name="line.429"></a>
<span class="sourceLineNo">430</span>     * schema version will be updated to match the source object if necessary, otherwise it will be created.<a name="line.430"></a>
<span class="sourceLineNo">431</span>     * {@link org.jsimpledb.annotation.OnVersionChange &amp;#64;OnVersionChange},<a name="line.431"></a>
<span class="sourceLineNo">432</span>     * {@link org.jsimpledb.annotation.OnCreate &amp;#64;OnCreate} and<a name="line.432"></a>
<span class="sourceLineNo">433</span>     * {@link org.jsimpledb.annotation.OnCreate &amp;#64;OnChange} notifications will be delivered accordingly<a name="line.433"></a>
<span class="sourceLineNo">434</span>     * (however, for create and change notifications in {@code dest}, these annotations must have<a name="line.434"></a>
<span class="sourceLineNo">435</span>     * {@code snapshotTransactions = true} if {@code dest} is a {@link SnapshotJTransaction}).<a name="line.435"></a>
<span class="sourceLineNo">436</span>     *<a name="line.436"></a>
<span class="sourceLineNo">437</span>     * &lt;p&gt;<a name="line.437"></a>
<span class="sourceLineNo">438</span>     * Circular references are handled properly: if an object is encountered more than once, it is not copied again.<a name="line.438"></a>
<span class="sourceLineNo">439</span>     * The {@code copyState} parameter can be used to keep track of objects that have already been copied and/or traversed<a name="line.439"></a>
<span class="sourceLineNo">440</span>     * along some reference path (however, if an object is marked as copied in {@code copyState} and is traversed, but does not<a name="line.440"></a>
<span class="sourceLineNo">441</span>     * actually already exist in {@code dest}, an exception is thrown).<a name="line.441"></a>
<span class="sourceLineNo">442</span>     * For a "fresh" copy operation, pass a newly created {@code CopyState}; for a copy operation that is a continuation<a name="line.442"></a>
<span class="sourceLineNo">443</span>     * of a previous copy, {@code copyState} may be reused.<a name="line.443"></a>
<span class="sourceLineNo">444</span>     * &lt;/p&gt;<a name="line.444"></a>
<span class="sourceLineNo">445</span>     *<a name="line.445"></a>
<span class="sourceLineNo">446</span>     * &lt;p&gt;<a name="line.446"></a>
<span class="sourceLineNo">447</span>     * This instance and {@code dest} must be compatible in that for any schema versions encountered, those schema versions<a name="line.447"></a>
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<span class="sourceLineNo">457</span>     * deadlock could result.<a name="line.457"></a>
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<span class="sourceLineNo">472</span>     * @throws org.jsimpledb.core.DeletedObjectException if an object in {@code copyState} is traversed but does not actually exist<a name="line.472"></a>
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<span class="sourceLineNo">479</span>     * @throws IllegalArgumentException if any path in {@code refPaths} is invalid<a name="line.479"></a>
<span class="sourceLineNo">480</span>     * @throws IllegalArgumentException if any parameter is null<a name="line.480"></a>
<span class="sourceLineNo">481</span>     * @see JObject#copyTo JObject.copyTo()<a name="line.481"></a>
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<span class="sourceLineNo">483</span>     * @see JObject#copyIn JObject.copyIn()<a name="line.483"></a>
<span class="sourceLineNo">484</span>     * @see #copyTo(JTransaction, CopyState, Iterable)<a name="line.484"></a>
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<span class="sourceLineNo">486</span>    public JObject copyTo(JTransaction dest, JObject srcObj, ObjId dstId, CopyState copyState, String... refPaths) {<a name="line.486"></a>
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<span class="sourceLineNo">488</span>        // Sanity check<a name="line.488"></a>
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<span class="sourceLineNo">497</span><a name="line.497"></a>
<span class="sourceLineNo">498</span>        // Handle possible re-entrant object cache load<a name="line.498"></a>
<span class="sourceLineNo">499</span>        srcObj.getTransaction().getJObjectCache().registerJObject(srcObj);<a name="line.499"></a>
<span class="sourceLineNo">500</span><a name="line.500"></a>
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<span class="sourceLineNo">505</span><a name="line.505"></a>
<span class="sourceLineNo">506</span>        // Check trivial case<a name="line.506"></a>
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<span class="sourceLineNo">512</span>        final LinkedHashSet&lt;ReferencePath&gt; paths = new LinkedHashSet&lt;&gt;(refPaths.length);<a name="line.512"></a>
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<span class="sourceLineNo">524</span>                final JComplexFieldInfo superFieldInfo = (JComplexFieldInfo)targetFieldInfo;<a name="line.524"></a>
<span class="sourceLineNo">525</span>                boolean foundReferenceSubFieldInfo = false;<a name="line.525"></a>
<span class="sourceLineNo">526</span>                for (JSimpleFieldInfo subFieldInfo : superFieldInfo.getSubFieldInfos()) {<a name="line.526"></a>
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<span class="sourceLineNo">528</span>                        paths.add(this.jdb.parseReferencePath(startType,<a name="line.528"></a>
<span class="sourceLineNo">529</span>                          refPath + "." + superFieldInfo.getSubFieldInfoName(subFieldInfo), true));<a name="line.529"></a>
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<span class="sourceLineNo">534</span>                    throw new IllegalArgumentException("the last field `" + lastFieldName<a name="line.534"></a>
<span class="sourceLineNo">535</span>                      + "' of path `" + refPath + "' does not contain any reference sub-fields");<a name="line.535"></a>
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<span class="sourceLineNo">538</span>                if (!(targetFieldInfo instanceof JReferenceFieldInfo)) {<a name="line.538"></a>
<span class="sourceLineNo">539</span>                    throw new IllegalArgumentException("the last field `" + lastFieldName<a name="line.539"></a>
<span class="sourceLineNo">540</span>                      + "' of path `" + path + "' is not a reference field");<a name="line.540"></a>
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<span class="sourceLineNo">542</span>                paths.add(path);<a name="line.542"></a>
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<span class="sourceLineNo">545</span><a name="line.545"></a>
<span class="sourceLineNo">546</span>        // Ensure object is copied even when there are zero reference paths<a name="line.546"></a>
<span class="sourceLineNo">547</span>        if (paths.isEmpty())<a name="line.547"></a>
<span class="sourceLineNo">548</span>            this.copyTo(copyState, dest, srcId, dstId, true, 0, new int[0]);<a name="line.548"></a>
<span class="sourceLineNo">549</span><a name="line.549"></a>
<span class="sourceLineNo">550</span>        // Recurse over each reference path<a name="line.550"></a>
<span class="sourceLineNo">551</span>        for (ReferencePath path : paths) {<a name="line.551"></a>
<span class="sourceLineNo">552</span>            this.copyTo(copyState, dest, srcId, dstId, false/*doesn't matter*/,<a name="line.552"></a>
<span class="sourceLineNo">553</span>              0, Ints.concat(path.getReferenceFields(), new int[] { path.getTargetField() }));<a name="line.553"></a>
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<span class="sourceLineNo">555</span><a name="line.555"></a>
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<span class="sourceLineNo">559</span><a name="line.559"></a>
<span class="sourceLineNo">560</span>    /**<a name="line.560"></a>
<span class="sourceLineNo">561</span>     * Copy the objects in the specified {@link Iterable} into the specified destination transaction.<a name="line.561"></a>
<span class="sourceLineNo">562</span>     *<a name="line.562"></a>
<span class="sourceLineNo">563</span>     * &lt;p&gt;<a name="line.563"></a>
<span class="sourceLineNo">564</span>     * This instance will first be {@link JObject#upgrade}ed if necessary. If a target object already exists,<a name="line.564"></a>
<span class="sourceLineNo">565</span>     * it's schema version will be updated to match the source object if necessary, otherwise it will be created.<a name="line.565"></a>
<span class="sourceLineNo">566</span>     * {@link org.jsimpledb.annotation.OnVersionChange &amp;#64;OnVersionChange},<a name="line.566"></a>
<span class="sourceLineNo">567</span>     * {@link org.jsimpledb.annotation.OnCreate &amp;#64;OnCreate} and<a name="line.567"></a>
<span class="sourceLineNo">568</span>     * {@link org.jsimpledb.annotation.OnCreate &amp;#64;OnChange} notifications will be delivered accordingly<a name="line.568"></a>
<span class="sourceLineNo">569</span>     * (however, for create and change notifications in {@code dest}, these annotations must have<a name="line.569"></a>
<span class="sourceLineNo">570</span>     * {@code snapshotTransactions = true} if {@code dest} is a {@link SnapshotJTransaction}).<a name="line.570"></a>
<span class="sourceLineNo">571</span>     *<a name="line.571"></a>
<span class="sourceLineNo">572</span>     * &lt;p&gt;<a name="line.572"></a>
<span class="sourceLineNo">573</span>     * The {@code copyState} parameter tracks which objects that have already been copied. For a "fresh" copy operation,<a name="line.573"></a>
<span class="sourceLineNo">574</span>     * pass a newly created {@code CopyState}; for a copy operation that is a continuation of a previous copy,<a name="line.574"></a>
<span class="sourceLineNo">575</span>     * the previous {@link CopyState} may be reused.<a name="line.575"></a>
<span class="sourceLineNo">576</span>     * &lt;/p&gt;<a name="line.576"></a>
<span class="sourceLineNo">577</span>     *<a name="line.577"></a>
<span class="sourceLineNo">578</span>     * &lt;p&gt;<a name="line.578"></a>
<span class="sourceLineNo">579</span>     * This instance and {@code dest} must be compatible in that for any schema versions encountered, those schema versions<a name="line.579"></a>
<span class="sourceLineNo">580</span>     * must be identical in both transactions.<a name="line.580"></a>
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<span class="sourceLineNo">582</span>     *<a name="line.582"></a>
<span class="sourceLineNo">583</span>     * &lt;p&gt;<a name="line.583"></a>
<span class="sourceLineNo">584</span>     * Does nothing if this instance and {@code dest} are the same instance.<a name="line.584"></a>
<span class="sourceLineNo">585</span>     * &lt;/p&gt;<a name="line.585"></a>
<span class="sourceLineNo">586</span>     *<a name="line.586"></a>
<span class="sourceLineNo">587</span>     * &lt;p&gt;<a name="line.587"></a>
<span class="sourceLineNo">588</span>     * Note: if two threads attempt to copy objects between the same two transactions at the same time but in opposite directions,<a name="line.588"></a>
<span class="sourceLineNo">589</span>     * deadlock could result.<a name="line.589"></a>
<span class="sourceLineNo">590</span>     * &lt;/p&gt;<a name="line.590"></a>
<span class="sourceLineNo">591</span>     *<a name="line.591"></a>
<span class="sourceLineNo">592</span>     * @param dest destination transaction<a name="line.592"></a>
<span class="sourceLineNo">593</span>     * @param jobjs {@link Iterable} returning the objects to copy; null values are ignored<a name="line.593"></a>
<span class="sourceLineNo">594</span>     * @param copyState tracks which objects have already been copied<a name="line.594"></a>
<span class="sourceLineNo">595</span>     * @throws DeletedObjectException if an object in {@code jobjs} does not exist in this transaction<a name="line.595"></a>
<span class="sourceLineNo">596</span>     * @throws org.jsimpledb.core.SchemaMismatchException if the schema version corresponding to an object in<a name="line.596"></a>
<span class="sourceLineNo">597</span>     *  {@code jobjs} is not identical in this instance and {@code dest}<a name="line.597"></a>
<span class="sourceLineNo">598</span>     * @throws StaleTransactionException if this transaction or {@code dest} is no longer usable<a name="line.598"></a>
<span class="sourceLineNo">599</span>     * @throws org.jsimpledb.core.ReadOnlyTransactionException if {@code dest}'s underlying transaction<a name="line.599"></a>
<span class="sourceLineNo">600</span>     *  is {@linkplain Transaction#setReadOnly set read-only}<a name="line.600"></a>
<span class="sourceLineNo">601</span>     * @throws IllegalArgumentException if {@code dest} or {@code jobjs} is null<a name="line.601"></a>
<span class="sourceLineNo">602</span>     * @see #copyTo(JTransaction, JObject, ObjId, CopyState, String[])<a name="line.602"></a>
<span class="sourceLineNo">603</span>     */<a name="line.603"></a>
<span class="sourceLineNo">604</span>    public void copyTo(JTransaction dest, CopyState copyState, Iterable&lt;? extends JObject&gt; jobjs) {<a name="line.604"></a>
<span class="sourceLineNo">605</span><a name="line.605"></a>
<span class="sourceLineNo">606</span>        // Sanity check<a name="line.606"></a>
<span class="sourceLineNo">607</span>        if (dest == null)<a name="line.607"></a>
<span class="sourceLineNo">608</span>            throw new IllegalArgumentException("null dest");<a name="line.608"></a>
<span class="sourceLineNo">609</span>        if (copyState == null)<a name="line.609"></a>
<span class="sourceLineNo">610</span>            throw new IllegalArgumentException("null copyState");<a name="line.610"></a>
<span class="sourceLineNo">611</span>        if (jobjs == null)<a name="line.611"></a>
<span class="sourceLineNo">612</span>            throw new IllegalArgumentException("null jobjs");<a name="line.612"></a>
<span class="sourceLineNo">613</span><a name="line.613"></a>
<span class="sourceLineNo">614</span>        // Check trivial case<a name="line.614"></a>
<span class="sourceLineNo">615</span>        if (this.tx == dest.tx)<a name="line.615"></a>
<span class="sourceLineNo">616</span>            return;<a name="line.616"></a>
<span class="sourceLineNo">617</span><a name="line.617"></a>
<span class="sourceLineNo">618</span>        // Copy objects<a name="line.618"></a>
<span class="sourceLineNo">619</span>        for (JObject jobj : jobjs) {<a name="line.619"></a>
<span class="sourceLineNo">620</span><a name="line.620"></a>
<span class="sourceLineNo">621</span>            // Get next object<a name="line.621"></a>
<span class="sourceLineNo">622</span>            if (jobj == null)<a name="line.622"></a>
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<span class="sourceLineNo">624</span><a name="line.624"></a>
<span class="sourceLineNo">625</span>            // Handle possible re-entrant object cache load<a name="line.625"></a>
<span class="sourceLineNo">626</span>            jobj.getTransaction().getJObjectCache().registerJObject(jobj);<a name="line.626"></a>
<span class="sourceLineNo">627</span><a name="line.627"></a>
<span class="sourceLineNo">628</span>            // Copy object<a name="line.628"></a>
<span class="sourceLineNo">629</span>            final ObjId id = jobj.getObjId();<a name="line.629"></a>
<span class="sourceLineNo">630</span>            this.copyTo(copyState, dest, id, id, true, 0, new int[0]);<a name="line.630"></a>
<span class="sourceLineNo">631</span>        }<a name="line.631"></a>
<span class="sourceLineNo">632</span>    }<a name="line.632"></a>
<span class="sourceLineNo">633</span><a name="line.633"></a>
<span class="sourceLineNo">634</span>    void copyTo(CopyState copyState, JTransaction dest, ObjId srcId, ObjId dstId, boolean required, int fieldIndex, int[] fields) {<a name="line.634"></a>
<span class="sourceLineNo">635</span><a name="line.635"></a>
<span class="sourceLineNo">636</span>        // Copy current instance unless already copied, upgrading it in the process<a name="line.636"></a>
<span class="sourceLineNo">637</span>        if (copyState.markCopied(dstId)) {<a name="line.637"></a>
<span class="sourceLineNo">638</span>            try {<a name="line.638"></a>
<span class="sourceLineNo">639</span>                this.tx.copy(srcId, dstId, dest.tx, true);<a name="line.639"></a>
<span class="sourceLineNo">640</span>            } catch (DeletedObjectException e) {<a name="line.640"></a>
<span class="sourceLineNo">641</span>                if (required)<a name="line.641"></a>
<span class="sourceLineNo">642</span>                    throw e;<a name="line.642"></a>
<span class="sourceLineNo">643</span>            }<a name="line.643"></a>
<span class="sourceLineNo">644</span>        }<a name="line.644"></a>
<span class="sourceLineNo">645</span><a name="line.645"></a>
<span class="sourceLineNo">646</span>        // Any more fields to traverse?<a name="line.646"></a>
<span class="sourceLineNo">647</span>        if (fieldIndex == fields.length)<a name="line.647"></a>
<span class="sourceLineNo">648</span>            return;<a name="line.648"></a>
<span class="sourceLineNo">649</span><a name="line.649"></a>
<span class="sourceLineNo">650</span>        // Have we already traversed the path?<a name="line.650"></a>
<span class="sourceLineNo">651</span>        final int[] pathSuffix = fieldIndex == 0 ? fields : Arrays.copyOfRange(fields, fieldIndex, fields.length);<a name="line.651"></a>
<span class="sourceLineNo">652</span>        if (!copyState.markTraversed(srcId, pathSuffix))<a name="line.652"></a>
<span class="sourceLineNo">653</span>            return;<a name="line.653"></a>
<span class="sourceLineNo">654</span><a name="line.654"></a>
<span class="sourceLineNo">655</span>        // Recurse through the next reference field in the path<a name="line.655"></a>
<span class="sourceLineNo">656</span>        final int storageId = fields[fieldIndex++];<a name="line.656"></a>
<span class="sourceLineNo">657</span>        final JReferenceFieldInfo referenceFieldInfo = this.jdb.getJFieldInfo(storageId, JReferenceFieldInfo.class);<a name="line.657"></a>
<span class="sourceLineNo">658</span>        final int parentStorageId = referenceFieldInfo.getParentStorageId();<a name="line.658"></a>
<span class="sourceLineNo">659</span>        if (parentStorageId != 0) {<a name="line.659"></a>
<span class="sourceLineNo">660</span>            final JComplexFieldInfo parentInfo = this.jdb.getJFieldInfo(parentStorageId, JComplexFieldInfo.class);<a name="line.660"></a>
<span class="sourceLineNo">661</span>            parentInfo.copyRecurse(copyState, this, dest, srcId, storageId, fieldIndex, fields);<a name="line.661"></a>
<span class="sourceLineNo">662</span>        } else {<a name="line.662"></a>
<span class="sourceLineNo">663</span>            assert referenceFieldInfo instanceof JReferenceFieldInfo;<a name="line.663"></a>
<span class="sourceLineNo">664</span>            final ObjId referrent = (ObjId)this.tx.readSimpleField(srcId, storageId, false);<a name="line.664"></a>
<span class="sourceLineNo">665</span>            if (referrent != null)<a name="line.665"></a>
<span class="sourceLineNo">666</span>                this.copyTo(copyState, dest, referrent, referrent, false, fieldIndex, fields);<a name="line.666"></a>
<span class="sourceLineNo">667</span>        }<a name="line.667"></a>
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<span class="sourceLineNo">669</span><a name="line.669"></a>
<span class="sourceLineNo">670</span>// Object/Field Access<a name="line.670"></a>
<span class="sourceLineNo">671</span><a name="line.671"></a>
<span class="sourceLineNo">672</span>    /**<a name="line.672"></a>
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<span class="sourceLineNo">930</span>     * &lt;p&gt;<a name="line.930"></a>
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<span class="sourceLineNo">955</span>     * &lt;p&gt;<a name="line.955"></a>
<span class="sourceLineNo">956</span>     * This method is used by generated {@link org.jsimpledb.annotation.JField &amp;#64;JField} setter override methods<a name="line.956"></a>
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<span class="sourceLineNo">958</span>     * &lt;/p&gt;<a name="line.958"></a>
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<span class="sourceLineNo">982</span>    /**<a name="line.982"></a>
<span class="sourceLineNo">983</span>     * Read a counter field.<a name="line.983"></a>
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<span class="sourceLineNo">986</span>     * This method is used by generated {@link org.jsimpledb.annotation.JField &amp;#64;JField} getter override methods<a name="line.986"></a>
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<span class="sourceLineNo">1082</span><a name="line.1082"></a>
<span class="sourceLineNo">1083</span>// Reference Path Access<a name="line.1083"></a>
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<span class="sourceLineNo">1106</span>            throw new IllegalArgumentException("last field `" + fieldName + "' of path `" + path + "' is not a reference field", e);<a name="line.1106"></a>
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<span class="sourceLineNo">1108</span>        final int[] refs = Ints.concat(refPath.getReferenceFields(), new int[] { targetField });<a name="line.1108"></a>
<span class="sourceLineNo">1109</span>        final NavigableSet&lt;ObjId&gt; ids = this.tx.invertReferencePath(refs,<a name="line.1109"></a>
<span class="sourceLineNo">1110</span>          Iterables.transform(targetObjects, new ReferenceConverter&lt;JObject&gt;(this, JObject.class)));<a name="line.1110"></a>
<span class="sourceLineNo">1111</span>        return new ConvertedNavigableSet&lt;T, ObjId&gt;(ids, new ReferenceConverter&lt;T&gt;(this, startType));<a name="line.1111"></a>
<span class="sourceLineNo">1112</span>    }<a name="line.1112"></a>
<span class="sourceLineNo">1113</span><a name="line.1113"></a>
<span class="sourceLineNo">1114</span>// Index Access<a name="line.1114"></a>
<span class="sourceLineNo">1115</span><a name="line.1115"></a>
<span class="sourceLineNo">1116</span>    /**<a name="line.1116"></a>
<span class="sourceLineNo">1117</span>     * Get the index on a simple field. The simple field may be a sub-field of a complex field.<a name="line.1117"></a>
<span class="sourceLineNo">1118</span>     *<a name="line.1118"></a>
<span class="sourceLineNo">1119</span>     * @param targetType Java type containing the indexed field; may also be any super-type (e.g., an interface type),<a name="line.1119"></a>
<span class="sourceLineNo">1120</span>     *  as long as {@code fieldName} is not ambiguous among all sub-types<a name="line.1120"></a>
<span class="sourceLineNo">1121</span>     * @param fieldName name of the indexed field; for complex fields,<a name="line.1121"></a>
<span class="sourceLineNo">1122</span>     *  must include the sub-field name (e.g., {@code "mylist.element"}, {@code "mymap.key"})<a name="line.1122"></a>
<span class="sourceLineNo">1123</span>     * @param valueType the Java type corresponding to the field value<a name="line.1123"></a>
<span class="sourceLineNo">1124</span>     * @param &lt;V&gt; Java type corresponding to the indexed field<a name="line.1124"></a>
<span class="sourceLineNo">1125</span>     * @param &lt;T&gt; Java type containing the field<a name="line.1125"></a>
<span class="sourceLineNo">1126</span>     * @return read-only, real-time view of field values mapped to sets of objects having that value in the field<a name="line.1126"></a>
<span class="sourceLineNo">1127</span>     * @throws IllegalArgumentException if any parameter is null, or invalid<a name="line.1127"></a>
<span class="sourceLineNo">1128</span>     * @throws StaleTransactionException if this transaction is no longer usable<a name="line.1128"></a>
<span class="sourceLineNo">1129</span>     */<a name="line.1129"></a>
<span class="sourceLineNo">1130</span>    @SuppressWarnings({ "rawtypes", "unchecked" })<a name="line.1130"></a>
<span class="sourceLineNo">1131</span>    public &lt;V, T&gt; Index&lt;V, T&gt; queryIndex(Class&lt;T&gt; targetType, String fieldName, Class&lt;V&gt; valueType) {<a name="line.1131"></a>
<span class="sourceLineNo">1132</span>        final IndexInfo info = this.getIndexInfo(new IndexInfoKey(fieldName, false, targetType, valueType));<a name="line.1132"></a>
<span class="sourceLineNo">1133</span>        final CoreIndex&lt;?, ObjId&gt; index = info.applyFilters(this.tx.queryIndex(info.fieldInfo.storageId));<a name="line.1133"></a>
<span class="sourceLineNo">1134</span>        final Converter&lt;?, ?&gt; valueConverter = this.getReverseConverter(info.fieldInfo);<a name="line.1134"></a>
<span class="sourceLineNo">1135</span>        final Converter&lt;T, ObjId&gt; targetConverter = new ReferenceConverter&lt;T&gt;(this, targetType);<a name="line.1135"></a>
<span class="sourceLineNo">1136</span>        return new ConvertedIndex(index, valueConverter, targetConverter);<a name="line.1136"></a>
<span class="sourceLineNo">1137</span>    }<a name="line.1137"></a>
<span class="sourceLineNo">1138</span><a name="line.1138"></a>
<span class="sourceLineNo">1139</span>    /**<a name="line.1139"></a>
<span class="sourceLineNo">1140</span>     * Get the composite index on a list field that includes list indicies.<a name="line.1140"></a>
<span class="sourceLineNo">1141</span>     *<a name="line.1141"></a>
<span class="sourceLineNo">1142</span>     * @param targetType type containing the indexed field; may also be any super-type (e.g., an interface type),<a name="line.1142"></a>
<span class="sourceLineNo">1143</span>     *  as long as {@code fieldName} is not ambiguous among all sub-types<a name="line.1143"></a>
<span class="sourceLineNo">1144</span>     * @param fieldName name of the indexed field; must include {@code "element"} sub-field name (e.g., {@code "mylist.element"})<a name="line.1144"></a>
<span class="sourceLineNo">1145</span>     * @param valueType the Java type corresponding to list elements<a name="line.1145"></a>
<span class="sourceLineNo">1146</span>     * @param &lt;V&gt; Java type corresponding to the indexed list's element field<a name="line.1146"></a>
<span class="sourceLineNo">1147</span>     * @param &lt;T&gt; Java type containing the field<a name="line.1147"></a>
<span class="sourceLineNo">1148</span>     * @return read-only, real-time view of field values, objects having that value in the field, and corresponding list indicies<a name="line.1148"></a>
<span class="sourceLineNo">1149</span>     * @throws IllegalArgumentException if any parameter is null, or invalid<a name="line.1149"></a>
<span class="sourceLineNo">1150</span>     * @throws StaleTransactionException if this transaction is no longer usable<a name="line.1150"></a>
<span class="sourceLineNo">1151</span>     */<a name="line.1151"></a>
<span class="sourceLineNo">1152</span>    @SuppressWarnings({ "rawtypes", "unchecked" })<a name="line.1152"></a>
<span class="sourceLineNo">1153</span>    public &lt;V, T&gt; Index2&lt;V, T, Integer&gt; queryListElementIndex(Class&lt;T&gt; targetType, String fieldName, Class&lt;V&gt; valueType) {<a name="line.1153"></a>
<span class="sourceLineNo">1154</span>        final IndexInfo info = this.getIndexInfo(new IndexInfoKey(fieldName, false, targetType, valueType));<a name="line.1154"></a>
<span class="sourceLineNo">1155</span>        if (!(info.superFieldInfo instanceof JListFieldInfo))<a name="line.1155"></a>
<span class="sourceLineNo">1156</span>            throw new IllegalArgumentException("`" + fieldName + "' is not a list element sub-field");<a name="line.1156"></a>
<span class="sourceLineNo">1157</span>        final CoreIndex2&lt;?, ObjId, Integer&gt; index = info.applyFilters(this.tx.queryListElementIndex(info.superFieldInfo.storageId));<a name="line.1157"></a>
<span class="sourceLineNo">1158</span>        final Converter&lt;?, ?&gt; valueConverter = this.getReverseConverter(info.fieldInfo);<a name="line.1158"></a>
<span class="sourceLineNo">1159</span>        final Converter&lt;T, ObjId&gt; targetConverter = new ReferenceConverter&lt;T&gt;(this, targetType);<a name="line.1159"></a>
<span class="sourceLineNo">1160</span>        return new ConvertedIndex2(index, valueConverter, targetConverter, Converter.&lt;Integer&gt;identity());<a name="line.1160"></a>
<span class="sourceLineNo">1161</span>    }<a name="line.1161"></a>
<span class="sourceLineNo">1162</span><a name="line.1162"></a>
<span class="sourceLineNo">1163</span>    /**<a name="line.1163"></a>
<span class="sourceLineNo">1164</span>     * Get the composite index on a map value field that includes map keys.<a name="line.1164"></a>
<span class="sourceLineNo">1165</span>     *<a name="line.1165"></a>
<span class="sourceLineNo">1166</span>     * @param targetType type containing the indexed field; may also be any super-type (e.g., an interface type),<a name="line.1166"></a>
<span class="sourceLineNo">1167</span>     *  as long as {@code fieldName} is not ambiguous among all sub-types<a name="line.1167"></a>
<span class="sourceLineNo">1168</span>     * @param fieldName name of the indexed field; must include {@code "value"} sub-field name (e.g., {@code "mymap.value"})<a name="line.1168"></a>
<span class="sourceLineNo">1169</span>     * @param valueType the Java type corresponding to map values<a name="line.1169"></a>
<span class="sourceLineNo">1170</span>     * @param keyType the Java type corresponding to map keys<a name="line.1170"></a>
<span class="sourceLineNo">1171</span>     * @param &lt;V&gt; Java type corresponding to the indexed map's value field<a name="line.1171"></a>
<span class="sourceLineNo">1172</span>     * @param &lt;T&gt; Java type containing the field<a name="line.1172"></a>
<span class="sourceLineNo">1173</span>     * @param &lt;K&gt; Java type corresponding to the indexed map's key field<a name="line.1173"></a>
<span class="sourceLineNo">1174</span>     * @return read-only, real-time view of map values, objects having that value in the map field, and corresponding map keys<a name="line.1174"></a>
<span class="sourceLineNo">1175</span>     * @throws IllegalArgumentException if any parameter is null, or invalid<a name="line.1175"></a>
<span class="sourceLineNo">1176</span>     * @throws StaleTransactionException if this transaction is no longer usable<a name="line.1176"></a>
<span class="sourceLineNo">1177</span>     */<a name="line.1177"></a>
<span class="sourceLineNo">1178</span>    @SuppressWarnings({ "rawtypes", "unchecked" })<a name="line.1178"></a>
<span class="sourceLineNo">1179</span>    public &lt;V, T, K&gt; Index2&lt;V, T, K&gt; queryMapValueIndex(Class&lt;T&gt; targetType,<a name="line.1179"></a>
<span class="sourceLineNo">1180</span>      String fieldName, Class&lt;V&gt; valueType, Class&lt;K&gt; keyType) {<a name="line.1180"></a>
<span class="sourceLineNo">1181</span>        final IndexInfo info = this.getIndexInfo(new IndexInfoKey(fieldName, false, targetType, valueType, keyType));<a name="line.1181"></a>
<span class="sourceLineNo">1182</span>        if (!(info.superFieldInfo instanceof JMapFieldInfo))<a name="line.1182"></a>
<span class="sourceLineNo">1183</span>            throw new IllegalArgumentException("`" + fieldName + "' is not a map value sub-field");<a name="line.1183"></a>
<span class="sourceLineNo">1184</span>        final JMapFieldInfo mapFieldInfo = (JMapFieldInfo)info.superFieldInfo;<a name="line.1184"></a>
<span class="sourceLineNo">1185</span>        if (!info.fieldInfo.equals(mapFieldInfo.getValueFieldInfo()))<a name="line.1185"></a>
<span class="sourceLineNo">1186</span>            throw new IllegalArgumentException("`" + fieldName + "' is not a map value sub-field");<a name="line.1186"></a>
<span class="sourceLineNo">1187</span>        final CoreIndex2&lt;?, ObjId, ?&gt; index = info.applyFilters(this.tx.queryMapValueIndex(mapFieldInfo.storageId));<a name="line.1187"></a>
<span class="sourceLineNo">1188</span>        final Converter&lt;?, ?&gt; valueConverter = this.getReverseConverter(info.fieldInfo);<a name="line.1188"></a>
<span class="sourceLineNo">1189</span>        final Converter&lt;?, ?&gt; keyConverter = this.getReverseConverter(mapFieldInfo.getKeyFieldInfo());<a name="line.1189"></a>
<span class="sourceLineNo">1190</span>        final Converter&lt;T, ObjId&gt; targetConverter = new ReferenceConverter&lt;T&gt;(this, targetType);<a name="line.1190"></a>
<span class="sourceLineNo">1191</span>        return new ConvertedIndex2(index, valueConverter, targetConverter, keyConverter);<a name="line.1191"></a>
<span class="sourceLineNo">1192</span>    }<a name="line.1192"></a>
<span class="sourceLineNo">1193</span><a name="line.1193"></a>
<span class="sourceLineNo">1194</span>    /**<a name="line.1194"></a>
<span class="sourceLineNo">1195</span>     * Access a composite index on two fields.<a name="line.1195"></a>
<span class="sourceLineNo">1196</span>     *<a name="line.1196"></a>
<span class="sourceLineNo">1197</span>     * @param targetType type containing the indexed fields; may also be any super-type (e.g., an interface type)<a name="line.1197"></a>
<span class="sourceLineNo">1198</span>     * @param indexName the name of the composite index<a name="line.1198"></a>
<span class="sourceLineNo">1199</span>     * @param value1Type the Java type corresponding to the first field value<a name="line.1199"></a>
<span class="sourceLineNo">1200</span>     * @param value2Type the Java type corresponding to the second field value<a name="line.1200"></a>
<span class="sourceLineNo">1201</span>     * @param &lt;V1&gt; Java type corresponding to the first indexed field<a name="line.1201"></a>
<span class="sourceLineNo">1202</span>     * @param &lt;V2&gt; Java type corresponding to the second indexed field<a name="line.1202"></a>
<span class="sourceLineNo">1203</span>     * @param &lt;T&gt; Java type containing the field<a name="line.1203"></a>
<span class="sourceLineNo">1204</span>     * @return read-only, real-time view of the fields' values and the objects having those values in the fields<a name="line.1204"></a>
<span class="sourceLineNo">1205</span>     * @throws IllegalArgumentException if any parameter is null, or invalid<a name="line.1205"></a>
<span class="sourceLineNo">1206</span>     * @throws StaleTransactionException if this transaction is no longer usable<a name="line.1206"></a>
<span class="sourceLineNo">1207</span>     */<a name="line.1207"></a>
<span class="sourceLineNo">1208</span>    @SuppressWarnings({ "rawtypes", "unchecked" })<a name="line.1208"></a>
<span class="sourceLineNo">1209</span>    public &lt;V1, V2, T&gt; Index2&lt;V1, V2, T&gt; queryCompositeIndex(Class&lt;T&gt; targetType,<a name="line.1209"></a>
<span class="sourceLineNo">1210</span>      String indexName, Class&lt;V1&gt; value1Type, Class&lt;V2&gt; value2Type) {<a name="line.1210"></a>
<span class="sourceLineNo">1211</span>        final IndexInfo info = this.getIndexInfo(new IndexInfoKey(indexName, true, targetType, value1Type, value2Type));<a name="line.1211"></a>
<span class="sourceLineNo">1212</span>        final CoreIndex2&lt;?, ?, ObjId&gt; index = info.applyFilters(this.tx.queryCompositeIndex2(info.indexInfo.storageId));<a name="line.1212"></a>
<span class="sourceLineNo">1213</span>        final Converter&lt;?, ?&gt; value1Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(0));<a name="line.1213"></a>
<span class="sourceLineNo">1214</span>        final Converter&lt;?, ?&gt; value2Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(1));<a name="line.1214"></a>
<span class="sourceLineNo">1215</span>        final Converter&lt;T, ObjId&gt; targetConverter = new ReferenceConverter&lt;T&gt;(this, targetType);<a name="line.1215"></a>
<span class="sourceLineNo">1216</span>        return new ConvertedIndex2(index, value1Converter, value2Converter, targetConverter);<a name="line.1216"></a>
<span class="sourceLineNo">1217</span>    }<a name="line.1217"></a>
<span class="sourceLineNo">1218</span><a name="line.1218"></a>
<span class="sourceLineNo">1219</span>    /**<a name="line.1219"></a>
<span class="sourceLineNo">1220</span>     * Access a composite index on three fields.<a name="line.1220"></a>
<span class="sourceLineNo">1221</span>     *<a name="line.1221"></a>
<span class="sourceLineNo">1222</span>     * @param targetType type containing the indexed fields; may also be any super-type (e.g., an interface type)<a name="line.1222"></a>
<span class="sourceLineNo">1223</span>     * @param indexName the name of the composite index<a name="line.1223"></a>
<span class="sourceLineNo">1224</span>     * @param value1Type the Java type corresponding to the first field value<a name="line.1224"></a>
<span class="sourceLineNo">1225</span>     * @param value2Type the Java type corresponding to the second field value<a name="line.1225"></a>
<span class="sourceLineNo">1226</span>     * @param value3Type the Java type corresponding to the third field value<a name="line.1226"></a>
<span class="sourceLineNo">1227</span>     * @param &lt;V1&gt; Java type corresponding to the first indexed field<a name="line.1227"></a>
<span class="sourceLineNo">1228</span>     * @param &lt;V2&gt; Java type corresponding to the second indexed field<a name="line.1228"></a>
<span class="sourceLineNo">1229</span>     * @param &lt;V3&gt; Java type corresponding to the third indexed field<a name="line.1229"></a>
<span class="sourceLineNo">1230</span>     * @param &lt;T&gt; Java type containing the field<a name="line.1230"></a>
<span class="sourceLineNo">1231</span>     * @return read-only, real-time view of the fields' values and the objects having those values in the fields<a name="line.1231"></a>
<span class="sourceLineNo">1232</span>     * @throws IllegalArgumentException if any parameter is null, or invalid<a name="line.1232"></a>
<span class="sourceLineNo">1233</span>     * @throws StaleTransactionException if this transaction is no longer usable<a name="line.1233"></a>
<span class="sourceLineNo">1234</span>     */<a name="line.1234"></a>
<span class="sourceLineNo">1235</span>    @SuppressWarnings({ "rawtypes", "unchecked" })<a name="line.1235"></a>
<span class="sourceLineNo">1236</span>    public &lt;V1, V2, V3, T&gt; Index3&lt;V1, V2, V3, T&gt; queryCompositeIndex(Class&lt;T&gt; targetType,<a name="line.1236"></a>
<span class="sourceLineNo">1237</span>      String indexName, Class&lt;V1&gt; value1Type, Class&lt;V2&gt; value2Type, Class&lt;V3&gt; value3Type) {<a name="line.1237"></a>
<span class="sourceLineNo">1238</span>        final IndexInfo info = this.getIndexInfo(new IndexInfoKey(indexName, true, targetType, value1Type, value2Type, value3Type));<a name="line.1238"></a>
<span class="sourceLineNo">1239</span>        final CoreIndex3&lt;?, ?, ?, ObjId&gt; index = info.applyFilters(this.tx.queryCompositeIndex3(info.indexInfo.storageId));<a name="line.1239"></a>
<span class="sourceLineNo">1240</span>        final Converter&lt;?, ?&gt; value1Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(0));<a name="line.1240"></a>
<span class="sourceLineNo">1241</span>        final Converter&lt;?, ?&gt; value2Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(1));<a name="line.1241"></a>
<span class="sourceLineNo">1242</span>        final Converter&lt;?, ?&gt; value3Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(2));<a name="line.1242"></a>
<span class="sourceLineNo">1243</span>        final Converter&lt;T, ObjId&gt; targetConverter = new ReferenceConverter&lt;T&gt;(this, targetType);<a name="line.1243"></a>
<span class="sourceLineNo">1244</span>        return new ConvertedIndex3(index, value1Converter, value2Converter, value3Converter, targetConverter);<a name="line.1244"></a>
<span class="sourceLineNo">1245</span>    }<a name="line.1245"></a>
<span class="sourceLineNo">1246</span><a name="line.1246"></a>
<span class="sourceLineNo">1247</span>    /**<a name="line.1247"></a>
<span class="sourceLineNo">1248</span>     * Access a composite index on four fields.<a name="line.1248"></a>
<span class="sourceLineNo">1249</span>     *<a name="line.1249"></a>
<span class="sourceLineNo">1250</span>     * @param targetType type containing the indexed fields; may also be any super-type (e.g., an interface type)<a name="line.1250"></a>
<span class="sourceLineNo">1251</span>     * @param indexName the name of the composite index<a name="line.1251"></a>
<span class="sourceLineNo">1252</span>     * @param value1Type the Java type corresponding to the first field value<a name="line.1252"></a>
<span class="sourceLineNo">1253</span>     * @param value2Type the Java type corresponding to the second field value<a name="line.1253"></a>
<span class="sourceLineNo">1254</span>     * @param value3Type the Java type corresponding to the third field value<a name="line.1254"></a>
<span class="sourceLineNo">1255</span>     * @param value4Type the Java type corresponding to the fourth field value<a name="line.1255"></a>
<span class="sourceLineNo">1256</span>     * @param &lt;V1&gt; Java type corresponding to the first indexed field<a name="line.1256"></a>
<span class="sourceLineNo">1257</span>     * @param &lt;V2&gt; Java type corresponding to the second indexed field<a name="line.1257"></a>
<span class="sourceLineNo">1258</span>     * @param &lt;V3&gt; Java type corresponding to the third indexed field<a name="line.1258"></a>
<span class="sourceLineNo">1259</span>     * @param &lt;V4&gt; Java type corresponding to the fourth indexed field<a name="line.1259"></a>
<span class="sourceLineNo">1260</span>     * @param &lt;T&gt; Java type containing the field<a name="line.1260"></a>
<span class="sourceLineNo">1261</span>     * @return read-only, real-time view of the fields' values and the objects having those values in the fields<a name="line.1261"></a>
<span class="sourceLineNo">1262</span>     * @throws IllegalArgumentException if any parameter is null, or invalid<a name="line.1262"></a>
<span class="sourceLineNo">1263</span>     * @throws StaleTransactionException if this transaction is no longer usable<a name="line.1263"></a>
<span class="sourceLineNo">1264</span>     */<a name="line.1264"></a>
<span class="sourceLineNo">1265</span>    @SuppressWarnings({ "rawtypes", "unchecked" })<a name="line.1265"></a>
<span class="sourceLineNo">1266</span>    public &lt;V1, V2, V3, V4, T&gt; Index4&lt;V1, V2, V3, V4, T&gt; queryCompositeIndex(Class&lt;T&gt; targetType,<a name="line.1266"></a>
<span class="sourceLineNo">1267</span>      String indexName, Class&lt;V1&gt; value1Type, Class&lt;V2&gt; value2Type, Class&lt;V3&gt; value3Type, Class&lt;V4&gt; value4Type) {<a name="line.1267"></a>
<span class="sourceLineNo">1268</span>        final IndexInfo info = this.getIndexInfo(<a name="line.1268"></a>
<span class="sourceLineNo">1269</span>          new IndexInfoKey(indexName, true, targetType, value1Type, value2Type, value3Type, value4Type));<a name="line.1269"></a>
<span class="sourceLineNo">1270</span>        final CoreIndex4&lt;?, ?, ?, ?, ObjId&gt; index = info.applyFilters(this.tx.queryCompositeIndex4(info.indexInfo.storageId));<a name="line.1270"></a>
<span class="sourceLineNo">1271</span>        final Converter&lt;?, ?&gt; value1Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(0));<a name="line.1271"></a>
<span class="sourceLineNo">1272</span>        final Converter&lt;?, ?&gt; value2Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(1));<a name="line.1272"></a>
<span class="sourceLineNo">1273</span>        final Converter&lt;?, ?&gt; value3Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(2));<a name="line.1273"></a>
<span class="sourceLineNo">1274</span>        final Converter&lt;?, ?&gt; value4Converter = this.getReverseConverter(info.indexInfo.jfieldInfos.get(3));<a name="line.1274"></a>
<span class="sourceLineNo">1275</span>        final Converter&lt;T, ObjId&gt; targetConverter = new ReferenceConverter&lt;T&gt;(this, targetType);<a name="line.1275"></a>
<span class="sourceLineNo">1276</span>        return new ConvertedIndex4(index, value1Converter, value2Converter, value3Converter, value4Converter, targetConverter);<a name="line.1276"></a>
<span class="sourceLineNo">1277</span>    }<a name="line.1277"></a>
<span class="sourceLineNo">1278</span><a name="line.1278"></a>
<span class="sourceLineNo">1279</span>    // COMPOSITE-INDEX<a name="line.1279"></a>
<span class="sourceLineNo">1280</span><a name="line.1280"></a>
<span class="sourceLineNo">1281</span>    /**<a name="line.1281"></a>
<span class="sourceLineNo">1282</span>     * Query an index by storage ID. For storage ID's corresponding to simple fields, this method returns an<a name="line.1282"></a>
<span class="sourceLineNo">1283</span>     * {@link Index}, except for list element and map value fields, for which an {@link Index2} is returned.<a name="line.1283"></a>
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<span class="sourceLineNo">1763</span><a name="line.1763"></a>
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<span class="sourceLineNo">1766</span>    @SuppressWarnings("unchecked")<a name="line.1766"></a>
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<span class="sourceLineNo">1806</span>        @Override<a name="line.1806"></a>
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<span class="sourceLineNo">1812</span>        @Override<a name="line.1812"></a>
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<span class="sourceLineNo">1818</span>        @Override<a name="line.1818"></a>
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<span class="sourceLineNo">1832</span>        @Override<a name="line.1832"></a>
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<span class="sourceLineNo">1840</span>    private class ValidationListener implements AllChangesListener {<a name="line.1840"></a>
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<span class="sourceLineNo">1844</span>        @Override<a name="line.1844"></a>
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<span class="sourceLineNo">1850</span>    // SetFieldChangeListener<a name="line.1850"></a>
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<span class="sourceLineNo">1852</span>        @Override<a name="line.1852"></a>
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<span class="sourceLineNo">1858</span>        @Override<a name="line.1858"></a>
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<span class="sourceLineNo">1864</span>        @Override<a name="line.1864"></a>
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<span class="sourceLineNo">1871</span>        @Override<a name="line.1871"></a>
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<span class="sourceLineNo">1877</span>        @Override<a name="line.1877"></a>
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<span class="sourceLineNo">1883</span>        @Override<a name="line.1883"></a>
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<span class="sourceLineNo">1902</span>        @Override<a name="line.1902"></a>
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<span class="sourceLineNo">1908</span>        @Override<a name="line.1908"></a>
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<span class="sourceLineNo">1926</span>                return;<a name="line.1926"></a>
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<span class="sourceLineNo">1933</span>}<a name="line.1933"></a>
<span class="sourceLineNo">1934</span><a name="line.1934"></a>




























































</pre>
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